Ali Mukaddam Aubrey Dollar Gabrielle Anwar Gaspard Ulliel Jim Carrey Rachel Luttrell Regina Spektor Sendhil Ramamurthy Son Ye-Jin Vincent Kartheiser Zachary Quinto (...twice)
Doubling up on PBs is generally not allowed, but in extenuating circumstances, such as if the PB is canon (see: Zach Quinto), talk to Ye Olde Mods and we'll see what we can work out. :)